Betsy Morris reports:
For Maryland lawyer Bradley Shear, his push to protect the data privacy of children became an obsession three years ago when his son, who was in the second grade, was accused by a teacher of googling a profane song in class.
Mr. Shear was convinced his son landed on the webpage by accident, but it brought to mind a troubling question: How long would this incident stick to his son’s digital record?
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